src/system/libroot/posix/sys/flock.c

   1 /*
   2  * Copyright 2008, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  */
   5
   6
   7 #include <sys/file.h>
   8
   9 #include <errno.h>
  10 #include <pthread.h>
  11
  12 #include <errno_private.h>
  13 #include <syscalls.h>
  14
  15
  16 int
  17 flock(int fd, int op)
  18 {
  19         status_t status = _kern_flock(fd, op);
  20
  21         pthread_testcancel();
  22
  23         if (status < B_OK) {
  24                 __set_errno(status);
  25                 return -1;
  26         }
  27
  28         return 0;
  29 }
  30